OTRC: Miley Cyrus is 'epic,' Charlie Sheen says

Pictured: Charlie Sheen during 'Sheen's Corner Episode 4, Building the Perfect Torpedo,' the actor's fourth uStream webcast posted on Monday, March 8, 2011. / Miley Cyrus talks to OnTheRedCarpet.com at the American Music Awards in November 2010. (youtube.com/user/TheWYTV / OTRC)

Miley Cyrus is "epic," troubled actor Charlie Sheen says, days after the teen pop star rejoined Twitter after more than a year.

The 18-year-old actress and singer, who rose to fame as the star of Disney Channel series "Hannah Montana," quit the social networking service in late 2009, saying in an YouTube video that she wanted to keep her personal life private. She had Tweeted that her then-boyfriend, actor Liam Hemsworth, did not use the service himself and wanted her to delete her account.

On March 29, Cyrus surfaced on Twitter again under the username gypsyhearttour, referencing the name of her upcoming "Gypsy Heart" tour of South America and Australia, which begins at the end of April. Cyrus' spokesperson verified the authenticity of the Twitter account to OnTheRedCarpet.com.

Sheen has making headlines over the past few months due to a rehab stint for alcohol and drug abuse, a custody battle with his estranged wife and on-air rants on television, radio and on the Web against the co-creator of his CBS comedy series, "Two and a Half Men." He was later axed from the show and producers said he had "been engaged in dangerously self-destructive conduct and appears to be very ill."

The 45-year-old actor, who has struggled with substance addiction for years, gained a slew of new fans, especially younger ones, after he joined Twitter in early Marchjoined Twitter in early March. He often touts his live-in girlfriends, who are at least 20 years younger than him. For weeks, millions of people have recited quotes he has made in interviews and on Twitter that have now become catchphrases, namely the sarcastically-toned "Winning." (Read some of Charlie Sheen's craziest quotes.)

She caused some controversy lwhen she showcased a more mature image in performances and music videos, which marked a sharp contrast to her "good-girl" "Hannah Montana" persona seen on "Hannah Montana," the show that made her a worldwide star.